Manufacturing Process and Interface Properties of Vacuum Rolling Large-Area Titanium-Steel Cladding Plate
- 1 Downloads
In order to obtain large-area titanium-steel cladding plate by vacuum rolling, the manufacturing process was discussed with the Hypermesh/LS-DYNA simulation software. The result showed that the reduction rates of each rolling pass were 20, 25 and 33%, respectively. And the total rate was 60%. Moreover, the vacuum rolling process mainly included the following steps: welding preparation, drilling vacuum holes, composite and assembly, vacuum extraction, accumulative seal welding, preheating and rolling. The final size of the cladding plate was 1650 × 12000 × (4 + 40) mm. It could be found that the vacuum rolling interface of the titanium-steel cladding plate was mainly divided into four parts: steel layer (I), decarburized layer (II), bonding layer (III) and titanium layer (IV). Acicular widmanstatten structure of β-titanium was formed in zone IV, which might reduce the impact toughness of joint. The microhardness test results showed that the hardness near the interface was relatively high. Macroscopically, the average shear strength (297 MPa) and the average tensile strength (590 MPa) were both much higher than the standard. However, the brittle fracture mode of shear specimens might decrease the joint property of vacuum rolling cladding plate.
Keywords:vacuum rolling titanium-steel cladding plate bonding interface interface properties
This work was supported by the National Natural Science Foundation of China (grant no. 51541112).
ORCID ID of the correspondence author: https://orcid.org/0000-0002-3413-4563.
- 2.Shi, C.G., The Lower Bound Theorem and Double Vertical Method of Explosive Welding, Beijing: Metallurgical Industry, 2015, 1st ed.Google Scholar
- 3.Zheng, Y.M., The Principle and Application of Explosive Welding and Metallic Composite, Wuhan: Central South Univ., 2007, 1st ed.Google Scholar
- 9.Luo, Z.A., Wang, G.L., and Xie, G.M., Interfacial microstructure and properties of a vacuum hot roll-bonded titanium-stainless steel clad plate with a niobium interlayer, Arch. Civ. Mech. Eng., 2013, vol. 26, no. 6, pp. 754–760.Google Scholar
- 10.Wang, G.L., Luo, Z.A., and Xie, G.M., Effect of first pass rolling on microstructure and properties of rolling clad steel plate, Northeast Univ., 2012, vol. 33, no. 10, pp. 1431–1435.Google Scholar
- 12.Zheng, L.W., Liang, W., Zhao, Z.L., et al., Effect of homogenizing annealing treatment on hot-rolled microstructure and mechanical properties of AZ91 magnesium alloy, Rare Metal. Mat. Eng., 2015, vol. 45, no. 5, pp. 1296–1300.Google Scholar
- 13.Luo, Z.A., Xie, G.M., Wang, G.D., et al., Interface of heavy gauge plate by vacuum cladding rolling, Steel. Res. Int., 2010, vol. 81, no. 9, pp. 51–53.Google Scholar
- 14.Wang, G.L., Luo, Z.A., and Xie, G.M., Effect of heating temperature on the bonding property of the titanium/stainless steel plate by hot-rolling bonding, Rare Metal. Mat. Eng., 2013, vol. 42, no. 2, pp. 387–391.Google Scholar
- 15.Wang, C., Research on sandwich rolling charged on finite elements by ANSYS, Dissertation, Wuhan Univ. Sci. Technol., 2006.Google Scholar
- 16.He, Q.S., Finite-element simulation of plan view pattern control during plate rolling process, Dissertation, Wuhan Univ. Technol., 2009.Google Scholar
- 18.Luo, Z.A., Xie, G.M., Wang, G.L., and Wang, G.D., Effect of interfacial microstructure on mechanical properties of vacuum rolling clad pure titanium/high strength low alloy steel, Chin. J. Mater. Res., 2013, vol. 27, no. 6, pp. 569–575.Google Scholar
- 19.Wu, H.J., Rong, Y., and Li, X.D., Rolling process of wide titanium sheet ply, Chin. J. Nonferrous Met., 2010, vol. 20, no. S1, pp. 807–810.Google Scholar
- 20.Shangguan, X.F., Yao, Y.H., and Jin, Y.H., Engineering Material, Beijing: Chemical Industry, 2013, 1st ed.Google Scholar
- 21.Qin, L.Y., Research on key technique of laser deposition repair titanium alloy, Dissertation, Shenyang Univ. Technol., 2014.Google Scholar
- 22.Cai, G., Lei, M., Wan, M.P., Sun, J., and Liu, X., Continuous cooling transformation diagram of BT25 titanium alloy, Rare Metal. Mat. Eng., 2016, vol. 45, no. 10, pp. 2578–2582.Google Scholar
- 23.State Key Laboratory of Rolling & Automation, Research Report no. 7, Beijing: Metallurgical Industry, 2014, 1st ed.Google Scholar